Commitments and Contingencies - Oil Creek Fire (Details) (Oil Creek Fire [Member], Loss from Catastrophes [Member], USD $)
In Millions, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2014
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Minimum [Member]
|
|
Loss Contingencies [Line Items] | |
Insurance Coverage Deductible Per Occurrence | $ 1.0 |
Maximum [Member]
|
|
Loss Contingencies [Line Items] | |
Loss Contingency, Damages Sought, Value | $ 50 |